20397758

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1\times {\mathrm{419}}^1$

素因数の和:763

約数の個数: 16

約数和(自身を含む): 31101840

約数和(自身を除く): 10704082

約数列:

[1, 2, 101, 202, 241, 419, 482, 838, 24341, 42319, 48682, 84638, 100979, 201958, 10198879, 20397758]

約数ペア:

[(1, 20397758), (2, 10198879), (101, 201958), (202, 100979), (241, 84638), (419, 48682), (482, 42319), (838, 24341)]